Shiva Kintali, Nishad Kothari, Akash Kumar. Approximation algorithms for digraph width parameters. Theoretical Computer Science, 562:365-376, 2015. [doi]
@article{KintaliKK15,
title = {Approximation algorithms for digraph width parameters},
author = {Shiva Kintali and Nishad Kothari and Akash Kumar},
year = {2015},
doi = {10.1016/j.tcs.2014.10.009},
url = {http://dx.doi.org/10.1016/j.tcs.2014.10.009},
researchr = {https://researchr.org/publication/KintaliKK15},
cites = {0},
citedby = {0},
journal = {Theoretical Computer Science},
volume = {562},
pages = {365-376},
}